Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
|
What is an independent variable?
|
Independent variable is what is being manipulated by the researcher.
|
|
|
What is a dependent variable?
|
Dependent variable is the response that is measured
|
|
|
What is standard area of measurement?
|
Standard Error of Measurement (SEM) is an estimate of how often one can expect errors of a given size in an individual’s test score.
|
|
|
What is a nominal scale?
|
Nominal scales are labels only. They describe categorical data such as gender political party affiliation school attended etc.
|
|
|
What is an ordinal scale?
|
Ordinal scale describes rank order with unequal units such as order of finish, ranking of schools or schools by performance.
|
|
|
What is an interval scale?
|
Interval scale describe equal intervals between values such as achievement, attitude, test scores and temperature.
|
|
|
What is a ratio scale?
|
Ratio scales describe all of the characteristics of the other levels but also has a true zero point such as total number of correct items on a test, time, distance and weight.
|
|
|
What is validity?
|
Validity refers to the degree that the test measures what it is supposed to measure. It is the most important test characteristic.
Types of validity: Content, criterion related validity, construct validity, consequential validity |
|
|
What is reliablility?
|
Reliability refers to the consistency of an instrument to measure a construct.
Test-Retest measure the stability of scores over time. Alternate forms |
|
|
What is survey research?
|
Describe constructs as they are
Information obtained can be vital facts, opinions, beliefs and/or attitudes |
|
|
What is a cross sectional study?
|
The study of groups of individuals differing on the basis of specified criteria (for example, age) at the same point in time.
|
|
|
What is a longitudinal scale?
|
Data are collected at two or more time points.
|
|
|
What is the Likert Scale?
|
A scale, usually of approval or agreement, used in questionnaires. The respondent is asked to say whether, for example, they 'Strongly agree', 'Agree', 'Disagree', or 'Strongly disagree' with some statement.
|
